What's the distance between and on a number line?

If perimeter of equilateral triangle is , what is the height of the triangle?

If , then where on the number line lies ?

The range of the earnings for architecture graduates is , and the range of the salaries for engineering graduates is .

Which of the following statements individually provide(s) sufficient additional information to determine the range of the salaries of all graduates between the two professions?

A: The median salary for the engineers is greater than that of the architects.

B: The average (arithmetic mean) of the engineers is greater than that of the architects.

C: The lowest salary of the engineers is less than the lowest of the architects.

Which of the following answer best fits in the picture below?